ChemWeb.com
ChemWeb features searchable chemistry journals and databases, jobs, chemical books, software and products, details of conferences. Link

Cholinesterases
This web site provides a review of the cholinesterase enzymes. Link

Cyberlipid Center
All aspects of lipid structure, distribution, discovery and analysis. Link

Department of Chemistry and Chemical Biology
Welcome to the Harvard Department of Chemistry and Chemical Biology. Link

Enzymes
Read an introduction to enzymes and learn about their classifications, activities and chemical reactions. Link

Fermentas
Molecular Biology Products, including Restriction Endonucleases, DNA/RNA Modifying Enzymes, Taq DNA Polymerase, PCR Kits, Molecular Weight Markers and other associated products available from MBI Fermentas. The Catalog also includes an extensive reference section with many useful protocols. Link

G-proteins and their role in disease
A brief description on what G-proteins are, how they function, and their role in a few diseases. Link

Metabolic Pathways of Biochemistry
Welcome to Metabolic Pathways of Biochemistry, the online reference of metabolism for students, scientists, and the world. This site is designed to graphically represent all major metabolic pathways, primarily those important to human biochemistry. Link

NetBiochem
NetBiochem has made full use of multimedia hypertext to provide students and the merely curious with a stimulating and accessible primer in biochemistry. Complete treatments of the basics in metabolism, macromolecules, membrane actions, and nucleic acids. Link

Peptide Resource Page
A guide for researchers and educators listing educational websites and providers of custom peptides, peptide synthesis reagents, peptide synthesizers, and software. Link